EXPLANATION OF PLATE IX. 



EUNICEA TOURNEFORTI. SPICULES. 



Fig. I. Regular massive tuberculate. 



Fig. 2. Arcuate massive tuberculatc. 



Fig. 3. Regular echinato-tuberculate. 



Fig. 4. Arcuaio-ttiberculate. 



Fig. 5. ^ladri-partitc tuberculatc. 



Fig. 6. Very large massive arcuato-tuberculatc. 



Fig. 7. Arcuato-cchinate. 



Fig. 8. Tuherculato- fusiform. 



Fig. 9. Small echinato-clavate. 



Fig. 10. Arcuato-tuberculate skotvifig tendency to become bi-partite. 



Fig. II. Regular tereto-ttiberculate. 



Fig. 12. Arcuato-echinate. 



Fig. 13. Unsytnmetrical echinate. 



FiG.s. 14, 16. Small tiiberculato-Jusiform. 



Fig. ii;. Irregular pointed tuberculate. 



